Three friends all live on the same street that runs west to east. Beth lives 8 blocks from Ann. Carl lives 5 blocks from Beth. If the street is represented by a number line and Ann's house is located 0, what are the possible locations for Carl's house?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75